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new pbLua version released

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A note from Ralph Hempel that pbLua beta version 14 is available. From Ralph:

http://www.hempeldesigngroup.com/lego/pbLua


New features include:
1. USB console works reliably now

2. Bluetooth console works reliably now

3. Flash file system has autoload capability - using filename "pbLuaStartup"

4. Added DisplayFlip() and DisplayInvert() so you can read the display upside down.

5. Added timer to PowerDown() so the NXT can shut off after n minutes of inactivity - you can disable it too

6. Added Reboot() function

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